Compare the Bugatti Centodieci 8.0L W16 64 Valve Turbo - [2019] vs Koenigsegg Regera 5.0 V8 Turbo - [2015]. Find out which car is the fastest, most powerful, lightest or has the biggest engine in our top trumps style comparison page. Find out which car has the highest top speed or is the fastest accelerating, is it the Bugatti Centodieci 8.0L W16 64 Valve Turbo or the Koenigsegg Regera 5.0 V8 Turbo. We'll leave it up to you to decide which is your favourite.